Amethyst Faceted Oval 7x9mm Genuine Gemstone Sterling Silver Ring(Sizes 4,5,6,7,8,9,10) 7x9mm Genuine Oval Faceted Purple Amethyst Over 1/2" Wide on Top and 3mm on Bottom Weight is 3.3 to 3.7 Grams Marked .925 Amethyst is the Birthstone for February